# Cohomology of Fuchsian Groups and Non-Euclidean Crystallographic Groups

Hughes, S

1 October 2019

## Last Updated:

2021-11-12T09:54:18.26+00:00

## abstract:

For each geometrically finite 2-dimensional non-Euclidean crystallographic
group (NEC group), we compute the cohomology groups. In the case where the
group is a Fuchsian group, we also determine the ring structure of the
cohomology.

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